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Assoli18 [71]
3 years ago
9

Jamal earned $40 from his weekend job. He spent 1/4 of it on a Xbox game and 1/5 of it on a movie ticket. How much money does he

have left?
Mathematics
2 answers:
Vlad1618 [11]3 years ago
7 0
1/4 and 1/5 should be the same. So 1/4 = 5/20 and 1/5 = 4/20. Make them into percentages, 5/20 x 5 = 25/100 = 25% and 4/20 x 5 = 20/100 =  20%. Then add them 25%+20% = 45%. Then do 40 x .45 = 18$. Jamal would have 18$. 
pshichka [43]3 years ago
5 0
Jamal has 22 dollars left. 
1/5 of 40 is 8
1/4 of 40 is 10

8+10=18

40-18=22

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A rectangular prism has a length of 734 inches, a width of 312 inches, and a height of 6 inches. Mario has a storage container f
fredd [130]

Answer: 27.6\ in.^3

Step-by-step explanation:

Given

Length of Prism is l= 7.34\ in.

The width of Prism is w=3.12\ in.

The height of Prism is h=6\ in.

The volume of a The height rectangular prism is given as

V=l\times w\times h

Substituting values we get

\Rightarrow V=7.34\times 3.12\times 6=137.404\ in.^3

Volume of storage V_s=165\ in.^3

The difference in volume is

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8 0
3 years ago
Tres corredoras salieron a entrenar Amalia recorrio 4,121 km ; Luciana 1,55 km mas que Marta y esta 1 8/2 km menos que Amalia. ¿
tatiyna

Answer:

Luciana y Marta recorren 4,351 kilómetros y 2,801 kilómetros, respectivamente.

Step-by-step explanation:

El enunciado tiene un error tipográfico que induce a equivocación. El enunciado correcto es el siguiente: <em>Tres corredoras salieron a entrenar Amalia recorrió 4,121 kilómetros; Luciana 1,55 kilómetros más que Marta y esta 1 8/25 kilómetros menos que Amalia. ¿Cuántos kilómetros recorrió Luciana y Marta? </em>

Sean x,y,z las distancias recorridas por Amalia, Marta y Luciana, en kilómetros. A partir de la descripción del enunciado tenemos el siguiente sistema de ecuaciones lineales:

Amalia

x = 4,121\,km (1)

Marta

y = x-1.32\,km (2)

Luciana

z = y + 1.55\,km (3)

La solución del sistema de ecuaciones lineales es:

x =4,121\,km, y = 2,801\,km, z = 4,351\,km

Luciana y Marta recorren 4,351 kilómetros y 2,801 kilómetros, respectivamente.

8 0
3 years ago
Please help me!! I don't understand<br> No linksssss
AVprozaik [17]

Answer:

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Step-by-step explanation:

3 0
2 years ago
8z-13=7 what's the number that replaces z
Goshia [24]
All you do is solve for z. So 8z-13=7. To solve for a variable you have to do the opposite to cancel out the numbers on each side. First you add 13 over to 7 to cancel out 13 on the z side. So 8z=20 is what you have left. Then you divide 8 on both sides to cancel out 8 on the z side. what you are left with is z=2.5. Lastly you plug and check. 8(2.5) - 13 = 7, 20-13=7. And thats correct so z is 2.5.
4 0
3 years ago
Read 2 more answers
Write and solve an equation to find the number: The sum of three times a number and 12 is 45.
Mamont248 [21]

Step-by-step explanation:

3x+12=45

3x=45-12

3x=33

3x/3=33/3

x=11

3 0
2 years ago
Read 2 more answers
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